swath: IW1
Bperp (average): -87.24187158222578
Bpar (average): 106.7770109865814
swath: IW2
Bperp (average): -78.69976830485668
Bpar (average): 113.26137958785274
swath: IW3
Bperp (average): -71.26859847293508
Bpar (average): 118.12737012075473